package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;


public class JDBCDemo7 {
    public static void main(String[] args) {
        UserInfo userInfo=InputUtil.getInputObject(new UserInfo(),"欢迎登陆","登录");
        try (Connection connection =DBUtil.getConnection();){
            String sql="SELECT id,username,password,nickname,age " +
            "FROM userinfo " +
                    "WHERE username=? AND password=?";
            PreparedStatement ps=connection.prepareStatement(sql);
            ps.setString(1, userInfo.getUsername());
            ps.setString(2, userInfo.getPassword());
            ResultSet rs=ps.executeQuery();
            if (rs.next()){
                System.out.println("登录成功");
            }else {
                System.out.println("登录失败");
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
